Display screen or portion thereof with a financial data graphical user interface



The patent or application contains at least one drawing executed incolor. Copies of this patent or patent application publication withcolor drawings will be provided by the Office upon request and paymentof the necessary fee.

FIG. 1 shows a front view of a display screen or portion thereof with afinancial data graphical user interface that incorporates the new,original, and ornamental design; and,

FIG. 2 shows a front view of a second embodiment thereof.

The broken lines showing the display screen and portions of thegraphical user interface are for the purpose of illustrating theenvironment and form no part of the claimed design.

CLAIM The ornamental design for a display screen or portion thereof witha financial data graphical user interface, as shown and described.